Job Description

**Weekly Hours:** 40
**Role Number:** 200607555-0836

**Summary**
Join the Siri Planner team as an experienced Machine Learning Research Engineer and play a pivotal role in shaping the future of virtual assistants. You’ll contribute to revolutionizing how millions of Siri users worldwide interact with their Apple devices by building ground breaking AI solutions.

**Description**
As a Senior Machine Learning Research Engineer, you will lead initiatives to significantly advance Siri’s natural language understanding and planning capabilities using innovative LLM technologies.

YOUR CORE RESPONSIBILITIES WILL INCLUDE:
• Developing innovative systems for synthetic training data generation and implementing strategies for the continuous optimization of model performance.
• Designing and implementing agentic workflows and RAG systems to enhance Siri’s capabilities.
• Optimizing model performance for tool calling and reasoning tasks.
• Actively stayi...

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